package dovetaildb.iterator;
/*
 * Copyright 2008 Phillip Schanely
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */



public interface QueryResultIterator {
	public void close();

	// populates zero or more immediately available results, will block if requested.
	// returns the number of results read, or -1 if no results exists
	public int pullAvailable(Object[] buffer, boolean block);
	
	public void yield(Object o);
	
}
